In vivo imaging of uterine artery blood flow during remodeling is potentially valuable in assessing placental function during pregnancy. We present 4D flow MRI of the uterine arteries, demonstrating inter- and intrasubject heterogeneity in vessel anatomy and hemodynamics. This high spatial resolution, multi-location approach potentially addresses the limitations of Doppler ultrasound in quantifying pulsatility and resistance indices as clinical biomarkers of placental health.
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